Mercury Mariner Repair and Maintenance
A guide to problems, costs, maintenance and repair for your Mercury Mariner
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Mercury Mariner ProblemsKnock/Pop Noise from the Steering Column when Turning
Looseness in the steering shaft and steering shaft coupling U-joint can cause a knocking / popping noise from the steering column when turning. The steering shaft and coupling U-joint will need to be replaced.
If the transmission oil leaks out of left side half shaft area, it may be from a worn axle shaft seal. The seal can be damaged by a poor surface finish on the axle shaft. The axle shaft and seal should be replaced to correct the problem.
The check engine light may come on due to failure of the Variable Camshaft Timing (VCT) solenoids. The VCT solenoids will need to be replaced if they are the reason the check engine light came on.
Mercury Mariner QuestionsWhy won't my car start, what is my next step? (1 answer)
My car stop cranking so I recently changed the starter and battery and everything comes on fine but the car still won't start.What could be the problem now, and what should my next step be to do??
The light only comes on during braking and usually remains on until I start to move again by pushing on the gas. Sometimes it stays on a a couple of seconds while driving.
2008 mercury mariner heater fan will not run when you turn it on, then it will come on in 5 to 10 of car running. What is wrong?
Mercury Mariner RecallsFuel Delivery Module Leaks Fuel
The fuel delivery module (FDM) may crack and leak fuel. Dealers will replace the FDM flange with one that has a redesigned fuel supply port free of charge to resolve the concern.
For a vehicle that has had a remanufactured Ford automatic transmission installed, the shift lever bolt may be loose, allowing disengagement of the shift lever from the transmission. Dealers will inspect the transmission and either tighten the shift lever bolt or replace the shift lever assembly free of charge to resolve the concern.
The coolant pump for the hybrid system may fail, resulting in the hybrid system shutting down, and the vehicle losing power. Dealers will inspect and replace the original motor electronics coolant pump free of charge to correct the concern.